Sensor housings, modules, and luminaires incorporating the same comprising a heat sink with heat dissipation structures radially arranged over the outer wall of a sensor housing
Sensor housings, modules, and luminaires comprising the same are provided. The sensor housings and modules set forth herein have improved heat sinking abilities for dissipating heat from a sensor while simultaneously facilitating thermal isolation of the sensor. Briefly, a sensor housing described herein comprises a cavity for housing a sensor and a heat sink. The heat sink is configured to dissipate heat from the sensor housing and thermally isolate the sensor housing from other heat generating components, such as other portions of a luminaire.
1. A luminaire comprising:
an electronic sensor having a sensor housing in thermal communication with a heat sink, the heat sink comprising a plurality of heat dissipation structures radially arranged over an outer wall of the sensor housing.
2. The luminaire of claim 1 , where the luminaire further comprises a luminaire housing.
3. The luminaire of claim 2 , where the luminaire housing includes the sensor housing.
4. The luminaire of claim 1 , where the electronic sensor comprises drive circuitry, and
a sensing device in electrical communication with the drive circuitry.
5. The luminaire of claim 4 where the drive circuitry comprises at least any one of a processor, a controller, a memory element, a wireless antenna, and combinations thereof.
6. The luminaire of claim 1 where the heat sink is configured to thermally insulate the electronic sensor.
7. The luminaire of claim 1 where the electronic sensor comprises at least any one of an image sensor, a light sensor, a motion sensor, a temperature sensor, a magnetic field sensor, a gravity sensor, a humidity sensor, a moisture sensor, a vibration sensor, a pressure sensor, an electrical field sensor, a noise sensor, an environmental sensor, a directional sensor, a position sensor, a velocity sensor, an airflow sensor, a chemical sensor, a carbon dioxide sensor, an oxygen sensor, and combinations thereof.
8. The luminaire of claim 1 where the electronic sensor comprises a wireless interface configured to wirelessly communicate data from the electronic sensor.
9. The luminaire of claim 8 , wherein the interface comprises one or more antennae within the sensor housing.
10. The luminaire of claim 1 where the sensor housing includes at least one wall defining a cavity for accepting the electronic sensor.
11. The luminaire of claim 10 , wherein the heat sink forms a portion of the outer wall.
12. The luminaire of claim 10 , wherein the outer wall comprises an aperture.
13. The luminaire of claim 12 , wherein the aperture is configured to receive optics of a sensor.
14. The luminaire of claim 1 , wherein the heat sink is coupled to a surface of the outer wall.
15. The luminaire of claim 1 , wherein the plurality of heat dissipation structures comprises fins.
16. The luminaire of claim 1 further comprising thermally insulating material in the sensor housing.
17. The luminaire of claim 1 , wherein the sensor is an image sensor, and the sensor housing is integrated with the luminaire.
18. The luminaire of claim 1 , wherein the heat sink forms one or more portions of the sensor housing.